Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Ra4 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rd4 draw
11 Rc4 loss in 4 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves